Flashcards by HS

KAZUTERU YOKOI · iOS

Flashcards by HS

Explore the ad evidence, study the storefront, and build your next acquisition hypothesis.

Paid-ad activity not yet verified
Compare appsMy watchlist

01 / Creative research

Turn the unknowns into a research plan.

01

Check the acquisition promise

Read the store headline, screenshots and description. What problem is the app promising to solve?

Study the storefront ↗
02

Look for ad evidence

Explore apps with direct store-link matches. Compare their hooks and formats without assuming the same approach works here.

Browse observed advertisers ↗
03

Separate demand from paid growth

Store rankings and revenue estimates describe market context. They do not establish ad spend, conversions or ROAS.

Review the market context ↗

02 / Storefront & product

Where the click lands.

Study the product story and store experience behind the acquisition funnel.

Screenshots

Flashcards by HS screenshot 1Flashcards by HS screenshot 2Flashcards by HS screenshot 3Flashcards by HS screenshot 4Flashcards by HS screenshot 5Flashcards by HS screenshot 6Flashcards by HS screenshot 7Flashcards by HS screenshot 8

03 / Market context

The business behind the app.

Keep revenue, downloads and store rankings separate from advertising performance.

How Much Does Flashcards by HS Make?

Monthly Revenue
$1.0K
Annualized estimate
$12.0K
Per Download
$1.00

Platform Performance

🍎iOS
Revenue
$1.0K
Downloads
1.0K
Rating
4.6 ★(5)

Rating Distribution

4.6
★★★★★
5 reviews
5
0%
4
0%
3
0%
2
40%
1
60%

Top Countries

🇯🇵 JP🇰🇷 KR🇦🇺 AU
Version History (22)▼
16.0.08/19/2026
13.0.212/24/2025
13.0.15/30/2025
13.0.02/9/2025
1.5.36/1/2022
1.5.26/15/2021
1.5.110/6/2020
1.5.08/20/2020
1.4.07/28/2020
1.3.57/17/2020
Available In (111 Countries)▼
🇰🇷 South Korea🇺🇸 United States🇦🇺 Australia🇨🇦 Canada🇨🇳 China🇫🇷 France🇩🇪 Germany🇬🇧 United Kingdom🇮🇹 Italy🇯🇵 Japan🇷🇺 Russia🇩🇿 DZ🇦🇴 AO🇦🇷 Argentina🇦🇹 Austria🇦🇿 AZ🇧🇧 BB🇧🇾 BY🇧🇪 Belgium🇧🇲 BM🇧🇷 Brazil🇧🇬 Bulgaria🇨🇱 Chile🇨🇴 Colombia🇨🇷 CR🇭🇷 Croatia🇨🇿 Czech Republic🇩🇰 Denmark🇩🇴 DO🇪🇨 EC🇪🇬 Egypt🇸🇻 SV🇫🇮 Finland🇬🇭 GH🇬🇷 Greece🇬🇹 GT🇭🇰 Hong Kong🇭🇺 Hungary🇮🇳 India🇮🇩 Indonesia🇮🇪 Ireland🇮🇱 Israel🇰🇿 KZ🇰🇪 Kenya🇰🇼 KW🇱🇧 LB🇱🇹 Lithuania🇱🇺 LU🇲🇴 MO🇲🇬 MG🇲🇾 Malaysia🇲🇽 Mexico🇳🇱 Netherlands🇳🇿 New Zealand🇳🇬 Nigeria🇳🇴 Norway🇴🇲 OM🇵🇰 Pakistan🇵🇦 PA🇵🇪 Peru🇵🇭 Philippines🇵🇱 Poland🇵🇹 Portugal🇶🇦 QA🇷🇴 Romania🇸🇦 Saudi Arabia🇸🇬 Singapore🇸🇰 Slovakia🇸🇮 Slovenia🇿🇦 South Africa🇪🇸 Spain🇱🇰 LK🇸🇪 Sweden🇨🇭 Switzerland🇹🇼 Taiwan🇹🇭 Thailand🇹🇳 TN🇹🇷 Turkey🇺🇦 Ukraine🇦🇪 UAE🇺🇾 UY🇺🇿 UZ🇻🇪 VE🇻🇳 Vietnam🇧🇴 BO🇳🇮 NI🇵🇾 PY🇰🇭 KH🇲🇿 MZ🇾🇪 YE🇧🇭 BH🇷🇸 RS🇦🇫 AF🇬🇪 GE🇮🇶 IQ🇱🇾 LY🇲🇦 MA🇲🇲 MM🇧🇯 BJ🇧🇫 BF🇨🇲 CM🇨🇬 CG🇨🇮 CI🇯🇴 JO🇱🇦 LA🇲🇱 ML🇸🇳 SN🇹🇿 TZ🇺🇬 UG🇿🇲 ZM🇿🇼 ZW
Supported Languages (3)▼
EnglishJapaneseKorean
App Details▼

Create custom flashcards with images, voice recordings, and multi-language text-to-speech support. Images and audio can be added to both the question...

iOS App ID
1182307237
Content Rating
4+
Min OS
16.0
Size
21.5 MB
Publisher
KAZUTERU YOKOI
Ja